000 00374nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _aNR:063IRS1962
_bIRS;3
245 0 _aFuture of natural and synthetic rubbers: Proceedings of a Symposium organised by the International Rubber Study Group, 29 May to 1st June 1962, Washington DC.
260 _aLondon
_bIRSG
_c1962
942 _cBK
999 _c20197
_d20197